SAT English Practice Question

The author argues that one reason why the internet is not a "reliable source of information" is that many people are too readily persuaded by what they see online. Some individuals tend to accept what they encounter online without question, without pausing to consider the credibility of the source of the information. The author suggests that people should develop a more discerning approach to information they encounter online. What is the author’s main point in this passage?

1. A.it is difficult to find reliable information online.
2. B.people should be more critical of information they find online.
3. C.the internet has had a negative impact on people’s ability to think critically.
4. D.the internet has made people more susceptible to false information.